Quiz on the Geological Carbon Cycle

What is a carbon source?

• Any store that emits more carbon than it stores

• Any store that takes in more carbon than it emits

• A place where carbon is permanently stored

• A process that removes carbon from the atmosphere

Which carbon store is described as mid-term but very dynamic?

• Oceans

• Terrestrial Plants

• Fossil Fuel Deposits

• Soil Organic Matter

What do plants absorb significantly more of during the day?

• Oxygen

• Carbon dioxide

• Methane

• Nitrogen

What do marine organisms use to build their shells?

• Oxygen

• Carbon

• Nitrogen

• Hydrogen

What is released during volcanic outgassing?

• Oxygen

• Nitrogen

• Carbon Dioxide

• Methane

What is the process called when CO2 is transferred into the sea?

• Ocean sequestration

• Carbon fixation

• Photosynthesis

• Respiration

What is the role of solar energy in the biological carbon pump?

• It heats the ocean

• It powers photosynthesis

• It causes ocean currents

• It evaporates water

What process do primary producers use to sequester carbon?

• Respiration

• Decomposition

• Photosynthesis

• Evaporation

What do micro-organisms feed on?

• Water and sunlight

• Waste material from animals and plants

• Rocks and minerals

• Air and dust

What has happened to the rate of forest loss from the 1990s to 2010-15?

• Decreased

• Increased

• Remained the same

• Doubled